Nurlaila, Asfarina S, Setiawan W. Cost and Time Efficiency of Reinforced-Concrete Column Construction Using Conventional and Ready-Mix Methods: A Case Study of the Nurul Yaqin Mosque Project in Bumi Pajo Village. Local Engineering [Internet]. 2026 Sep. 19 [cited 2026 Sep. 22];4(2):83-8. Available from: https://journal.gioarchitect.co.id/index.php/localengineering/article/view/262